Power Electronics Dynamic equalising circuit is useful for voltage equalisation. to limit dV / dt of SCR. to limit di / dt of SCR. both B and C. for voltage equalisation. to limit dV / dt of SCR. to limit di / dt of SCR. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate voltage None of these Gate current Breakover voltage Gate voltage None of these Gate current Breakover voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is may be low power or high power circuit. high power circuit. magnetic circuit. lower power circuit. may be low power or high power circuit. high power circuit. magnetic circuit. lower power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 1500 A. 2121.32 A. 4242.64 A. 6000 A. 1500 A. 2121.32 A. 4242.64 A. 6000 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. all of these. anode current reaches 10 % from forward leakage current. anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. all of these. anode current reaches 10 % from forward leakage current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease dV / dt. decrease di / dt. suppress dV / dt. increase dV / dt. decrease dV / dt. decrease di / dt. suppress dV / dt. increase dV / dt. ANSWER DOWNLOAD EXAMIANS APP